Calcul Mental
16/08/2026
MiCetF
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11 s.
Ajouter ou retrancher un nombre du type 10, 200...
0 s.
474 + 200 =
516 - 100 =
465 + 20 =
98 + 500 =
171 - 80 =
224 + 20 =
602 + 300 =
580 + 20 =
105 + 40 =
653 + 100 =
333 + 500 =
411 + 50 =
498 - 100 =
85 + 30 =
216 + 10 =
53 - 40 =
643 - 300 =
623 - 200 =
373 + 30 =
357 - 30 =
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